Finding the Fourth Proportional to 928,345.34, 1,280,813.53 and 541,071.99
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Solution
The fourth proportional to 928,345.34, 1,280,813.53 and 541,071.99 is: 746,502.72
Step by Step Solution
- Step 1: Write the proportion equation
928,345.34 : 1,280,813.53 = 541,071.99 : x - Step 2: Convert to fraction form
928,345.34/1,280,813.53 = 541,071.99/x - Step 3: Cross multiply
928,345.34x = 1,280,813.53 × 541,071.99 - Step 4: Simplify right side
928,345.34x = 693,012,325,496.03 - Step 5: Solve for x
x = 693,012,325,496.03/928,345.34 - Step 6: Final answer
x = 746,502.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.